SN4 ""

No	Pattern	Freq
1	[noun] and it be difficult [to-vb]	39
2	[noun sg] and it be difficult [to-vb]	20
3	[noun pl] and it be difficult [to-vb]	16
4	[adj] and it be difficult [to-vb]	9
5	[adj] and it be difficult [to-vb]	8
6	[verb] and it be difficult [to-vb]	7
7	and [conj] it be difficult [to-vb]	12
8	and [adv] it be difficult [to-vb]	7
9	and [that] it be difficult [to-vb]	7
10	and that it be difficult [to-vb]	7
11	and [adv] it be difficult [to-vb]	7
12	and that it be difficult [to-vb]	7
13	and [subord] it be difficult [to-vb]	5
14	and it [modal v] be difficult [to-vb]	26
15	and it [vb mod] be difficult [to-vb]	26
16	and it would be difficult [to-vb]	12
17	and it would be difficult [to-vb]	12
18	and it will be difficult [to-vb]	5
19	and it can be difficult [to-vb]	5
20	and it can be difficult [to-vb]	5
21	and it be [adv] difficult [to-vb]	70
22	and it be [adv] difficult [to-vb]	58
23	and it be very difficult [to-vb]	28
24	and it be very difficult [to-vb]	28
25	and it be [not/n't] difficult [to-vb]	12
26	and it be not difficult [to-vb]	12
27	and it be not difficult [to-vb]	12
28	and it be often difficult [to-vb]	5
29	and it be often difficult [to-vb]	5
30	and it be difficult [adv] [to-vb]	8